Category Archives: General

Volcano reaction

This video shows the reaction when ammonium dichromate burns.

The Gecko has an amazing ability to grip to different surfaces, even glass, by using millions of miniscule bristles on its feet.

Closeup of gecko foot

That technology has now been adapted to make better plasters that could even replace surgical stitches and staples.

Spiderman attacks Sandman

PopSci is running an excellent series on the Physics of Superheroes.

Researchers working for USA’s DARPA have created RiSE, a robot that can climb a whole variety of different surfaces.

Everyone knows that hot air rises; candle flames point up.

But what if there’s no “up”?

Flame in microgravity

In space, flames form tiny balls, and can break apart and move around!